EVDA 615

Environmental Control Systems

Learning Objectives

Stein & Reynolds 9^th edition

Note: This list summarizes the content to be covered in the course and on which the final exam will be based.

Abilities

- carry out approximate sizing of mechanical systems sufficient for development of conceptual and schematic designs (Stein and Reynolds 450-453, class)

- basic heat loss and heat gain calculations (Stein and Reynolds 120-124, 144-147, class)

- plot processes on the psychrometric chart (Stein and Reynolds 288-295)

Knowledge

- thermal performance of glazing

- shading coefficient, solar heat gain coefficient (Stein and Reynolds 138)

- concept of spectral transmittance (Stein and Reynolds class)

- angular dependence of solar transmittance (class)

- factors affecting thermal comfort (Stein and Reynolds 37-52)

- the purpose and uses of the psychrometric chart (plotting processes & zones of human comfort) (Stein and Reynolds 43-51)

- meaning of dry bulb temperature, wet bulb temperature, relative humidity, dew point, enthalpy, latent and sensible heat gain (Stein and Reynolds 43-45, 277, 291-293)

- heat gain and heat loss (Stein and Reynolds 120-124, 144-147, class)

- conductive heat transfer - mechanisms by which it occurs

- formula for calculating it & the significance of the

terms in the formula

- meaning of R-value, U-value

- infiltration - forces causing infiltration (stack effect, wind

pressure)

- formula for calculating heat exchange due to infiltration

& the significance of the terms in the formula

- internal heat gains - significance and magnitude of gains from people, lights,

equipment

- difference between sensible and latent heat gain

- stages in treating and circulating air in the air-conditioning process (Stein and Reynolds 444-449, class)

- basic typical schematics of the conditioning and circulation of air through different building types (high-rise, low-rise, large footprint low-rise, ground-related residential) (class)

- the role and usual location of primary thermal control system components for smallerer buildings (main fans, filters, coils, chillers, cooling towers & boilers) (Stein and Reynolds 444-449, class)

- compartmentalized versus centralized systems

- types of air-conditioning systems for large buildings; their advantages and disadvantages (Stein and Reynolds 444-449) class)

- air and water systems (Stein and Reynolds 444-449)

- the role and usual location of primary thermal control system components for larger buildings (main fans, filters, coils, chillers, cooling towers & boilers) (Stein and Reynolds as above, class)

Awareness

- spatial and visual issues in the design of systems for thermal and air quality control (Stein and Reynolds 427-444, class)

- the historical evolution of environmental control technology and its relationship to stylistic development (in general terms) (class)

- approaches of recognized designers to systems design (class)

- passive versus active environmental control (e.g., control through envelope design in relation to control through powered systems) (Stein and Reynolds class)

- central equipment for large buildings (Stein and Reynolds 444-449, 453-466, class)

- the role and location of other primary mechanical system components (domestic hot water boiler, water storage for fire fighting, smoke and fire control systems) (class)

- concept and examples of passive and active equivalencies for fire safety systems (class)

- approach to analysis of building code requirements (minor emphasis) (class)

- basic organization and issues in mechanical transport and plumbing systems (class)

- basic issues with respect to wind, people, and buildings (class)